2-14
S
UPER P4SPA+/P4SPE User's Manual
USB Wake-Up
Use JPUSB to enable or disable
USB Wake-Up, which allows you
t o w a k e u p t h e s y s t e m b y d e -
pressing a key on the keyboard or
by clicking the mouse when either
is connected to the USB0 or USB1
port. This jumper is used together
with the USB Wake-Up function in
BIOS. Enable both the jumper and
the BIOS setting to allow the sys-
tem to be woken up. See the table
on the right for jumper settings.
Jumper
Position
1-2
2-3
Definition
Disabled
Enabled
USB Wake-Up
Jumper Settings
(JPUSB)
Watch Dog Enable/Disable
JP4 enables controls the Watch
Dog function. Watch Dog is a sys-
t e m m o n i t o r t h a t t a k e s a c t i o n
w h e n a s o f t w a r e a p p l i c a t i o n
freezes the system. Pins 1-2 will
have WD reset the system if a pro-
gram freezes. Pins 2-3 will gener-
ate a non-maskable interrupt for
the program that has frozen. See
the table on the right for jumper
settings. Watch Dog must also be
enabled in BIOS.
Jumper
Position
Pins 1-2
Pins 2-3
Open
Definition
WD to Reset
WD to NMI
Disabled
Watch Dog
Jumper Settings (JP4)
JP2
1-2
NC
Front Side Bus Speeds:
JP2, JP3
Reserved
JP3
1-2
AUTO
2-3
2-3
100 MHz
2-3
133 MHz
NC
NC
NC
2-3
200 MHz
Front Side Bus Speed
Settings
JP 2 and JP3 are the jumpers for
the Front Side Bus Speed Select.
See the table on the right for pin
definitions.
